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[1] [2] The code is updated every 3 years, to provide an ongoing standard of best practices for energy efficiency. [3] In addition to overall building standards the code defines the Climate Zones used in building, shown in this picture. These should not be confused with the USDA plant Hardiness zone. pre-2021 United States IECC Climate Zone
Depiction of New York World Building fire in New York City in 1882. Building codes in the United States are a collection of regulations and laws adopted by state and local jurisdictions that set “minimum requirements for how structural systems, plumbing, heating, ventilation, and air conditioning (), natural gas systems and other aspects of residential and commercial buildings should be ...
The code was created by the California Building Standards Commission in 1978 in response to a legislative mandate to reduce California's energy consumption. These standards are updated periodically by the California Energy Commission. The code includes energy conservation standards applicable to most buildings throughout California. [1]
The Appendix G baseline is fixed at a specific level allowing buildings from any code version to be compared against a stable baseline using a new metric called building performance factor (BPF). The BPF is based on climate zone and building type allowing for greater flexibility in compliance modeling. [10] [15]
Retrofitting buildings with further insulation is an important climate change mitigation tactic, [1] [2] especially when buildings are heated by oil, natural gas, or coal-based electricity. Local and national governments and utilities often have a mix of incentives and regulations to encourage insulation efforts on new and renovated buildings ...
A building code (also building control or building regulations) is a set of rules that specify the standards for construction objects such as buildings and non-building structures. Buildings must conform to the code to obtain planning permission , usually from a local council.
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Unless otherwise specified, in American contexts "hardiness zone" or simply "zone" usually refers to the USDA scale. However, some confusion can exist in discussing buildings and HVAC, where "climate zone" can refer to the International Energy Conservation Code zones, where Zone 1 is warm and Zone 8 is cold.